Abstract
This research work focuses both on experimental analysis and the development of an analytical model of the shear stress distribution at the textile/matrix interface of Textile Reinforced Cementitious Matrix Composites (TRCMC) in tension.For the experimental part, distributed fibre optic sensing (DFOS) was used, embedded in the core of the TRCMC, allowing strain measurement with a millimetric spatial resolution. Four configurations were studied: two types of matrices and two reinforcement ratios. Experiments comprised pull-out tests of several textile configurations using both matrices, in order to complete the experimental data set obtained by the tensile tests. The analytical model uses as input data the shear stresses obtained by the pull-out tests. This model allows to estimate the evolution and distribution of the interface shear stress of the TRCMC in tension. This model permits also to predict the distribution of strain in the TRCMC, both in the matrix and in textile reinforcement.
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